今天我们要学的词是 guarantee. Guarantee 做名词时意思是保证。A growing number of colleges in the U.S. are offering tuition guarantees. Students no longer have to worry about tuition hikes down the road. 美国越来越多的学校推出学费价格保证政策，学生不用再担心在校期间学费会涨价。克里姆林宫保证说，最近获得特赦的霍多尔科夫斯基可以返回俄罗斯。不过，Khodorkovsky said that there is no guarantee he would be able to leave again if he did return to Russia. 霍多尔科夫斯基说，如果他返回俄罗斯，没有人保证他还能自由离开。好的，今天我们学习的词是 guarantee, guarantee, guarantee...